Jesus' ultimate confession leads directly to his condemnation. How can this be?
The leaders of Israel were expecting a Messiah, but their understanding was often political and nationalistic, not necessarily fully embracing the divine nature Jesus claimed. By confessing that he is the Christ, the Son of God, Jesus directly confronts their limited view and their own unwillingness to accept the Messiah as divine.
His confession wasn't an attempt to escape the cross; rather, it was a deliberate step towards it. He knew this confession would be twisted into blasphemy by the religious authorities, sealing his fate. This act demonstrates his courage and his commitment to revealing his true identity, even at the cost of his life. He is not defending himself; he is testifying to the truth for which he came.